Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual - Manual (Page 71)

Publication 1797-6.5.6 - June 2005
1797-IRT8 FLEX Ex Thermocouple/RTD Input Module 12-3
CE/CENELEC I/O Entity
Parameters Input circuits (+ to -) for ch0 to ch7 (terminals: 0-3; 4-7; 8-11; 12-15; 17-20;
21-24; 25-28; 29-32)
CJC circuits (+ to -) for CJC0 and CJC1 (terminals: 37, 39; 46, 48)
Input circuits (+ to -) for ch0 to ch7 and CJC circuits (+ to -) for CJC0 and
CJC1 (terminals 0-3, 37, 39; 4-7, 37, 39; 8-11, 37, 39; 12-15, 37, 39; 17-20, 37,
39; 21-24, 37, 39; 25-28, 37, 39; 29-32, 37, 39; 0-3, 46, 48; 4-7, 46, 48; 8-11, 46,
48; 12-15, 46, 48; 17-20, 46, 48; 21-14, 46, 48; 25-28, 46, 48; 29-32, 46, 48)
Protection Group Allowed
Capacitance Allowed
Inductance L
o
/R
o
Ratio
U
o
= 9V
I
o
= 37mA
P
o
= 83mW
EEx ia IIB 40
µF
80mH 1.7mH/
Ω
EEx ia IIC 4.9
µF
20mH 0.4mH/
Ω
Protection Group Allowed
Capacitance Allowed
Inductance L
o
/R
o
Ratio
U
o
= 9V
I
o
= 1mA
P
o
= 3mW
EEx ia IIB 40
µF
1H 63mH/
Ω
EEx ia IIC 4.9
µF
1H 15mH/
Ω
Protection Group Allowed
Capacitance Allowed
Inductance L
o
/R
o
Ratio
U
o
= 9V
I
o
= 38mA
P
o
= 86mW
EEx ia IIB 40
µF
80mH 1.7mH/
Ω
EEx ia IIC 4.9
µF
20mH 0.4mH/
Ω